Polytyrosine
[化] 聚酪氨酸
🗣️ 情景例句
More than 50% of marriages are doomed to fall.
50%的婚姻都注定以失败告终。
He's absorbed in his book.
他全神贯注地读书。
At the age of eight, he joined a group of child dancers.
8岁时参加了儿童舞蹈团。